The body is always synthesizing and breaking down proteins as part of normal metabolism. This process occurs continuously to maintain muscle health, energy balance, and support various physiological functions. Protein metabolism is crucial for adapting to changing needs, such as during exercise or fasting. ;
The body is always simultaneously synthesizing and breaking down proteins as part of its metabolic processes. This constant activity is essential for maintaining muscle health, hormonal balance, and energy supply. Therefore, the correct answer is 'b. Always.'
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